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Claude Haiku 4 vs Phi-4: Pricing, Benchmarks & Verdict (2026)

Verdict

Phi-4 is significantly cheaper at $0.07/$0.14 per million tokens vs $0.80/$4.00. Claude Haiku 4 is stronger for coding with a coding ELO of 1195 vs 1130. Claude Haiku 4 ranks higher overall with an Arena ELO of 1220 vs 1150. Claude Haiku 4 offers a larger 200K context window vs 16K.

Side-by-Side Comparison

FeatureClaude Haiku 4Phi-4
ProviderAnthropicMicrosoft
Input Price / 1M tokens$1.00$0.065
Output Price / 1M tokens$5.00$0.140
Context Window200K16.384K
Max Output Tokens8,1924,096
Arena ELO1,2201,150
Coding ELO1,1951,130
TTFT (ms)150100
Tokens/sec130160
MultimodalYesNo
JSON ModeYesYes
Function CallingYesNo
VisionYesNo
When to Use Claude Haiku 4

Choose Claude Haiku 4 when you need: very fast response times, 200k context window, affordable for anthropic quality, good instruction following. It excels at chatbots, classification, cost-sensitive, high-volume tasks. Its 200K context window is larger, making it better for long-document processing.

Strengths:

  • Very fast response times
  • 200K context window
  • Affordable for Anthropic quality
  • Good instruction following

Best for:

chatbotsclassificationcost-sensitivehigh-volume
When to Use Phi-4

Choose Phi-4 when you need: ultra-low cost for a capable model, strong math for its size (14b params), very fast inference, can run on consumer hardware. It excels at cost-sensitive, edge-deployment, math, lightweight-tasks tasks. It is also the more cost-effective option between the two.

Strengths:

  • Ultra-low cost for a capable model
  • Strong math for its size (14B params)
  • Very fast inference
  • Can run on consumer hardware

Best for:

cost-sensitiveedge-deploymentmathlightweight-tasks

Frequently Asked Questions

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